Description: 1.Ideal for sleeping, sports, running, jogging, exercising, relaxing, meditating and everyday use. 2.No painful earbuds or cumbersome headphones. 2 flat mini speakers embedded in an elastic headband can cover your ears perfectly but will not press your ear. 3.Lighter Material - Ice Silk Fabric - Cool Touch for Skin, Super Soft, Luxurious, Breathable, Moisture Wicking. 4.Hi-Fi Stereo Sound Blocks out noise, conversation, traffic noise and snoring by listening to your favorite music, calming meditation sounds, radio, sleep-inducing rhythms, audiobooks or any other music you love. Specification: Headband material: polyester Bluetooth version: 5.0 Bluetooth protocol: AGHSP Bluetooth solution: Lanxun Bluetooth transmission distance: 10 meters Headphone channel: Stereo (2.0) Music playback time: maximum volume 7H, medium volume 10 hours Microphone distance: 1 meter Bluetooth standby time: 72H Battery capacity: 150ma/h Battery power: 0.55W Speaker impedance: 32 ohms Speaker power: 0.02W Frequency range: 2.4-2.4835GHz Sensitivity: 45db Transmit power: 6dB Audio output distortion: 0.6% Audio output signal-to-noise ratio: 93dB Charging time: 1-2 hours Maximum input voltage: DC 5V Maximum input current: 150mah Maximum input power: 0.55W Size: 27cm*10cm Package Contents: 1pcs*Bluetooth headscarf. 1pcs*Instruction manual. 1pcs* charging cable. Contains only the above package contents and does not include other products. NOTE: Lighting and different monitors may cause the color of the item in the picture to differ slightly from the actual item. The measurement error is +/-1-3cm.